Shtjttle-check means for looms



I I H. EMMONS SHUTTLE CHECK MEANS FOR LOQMS Filed Oct. 31 1922 provements consists Patented Get. 3t), 1923.

Lafitte HERBERT IRVING EIVIMONS, 0F LAWRENCE, MASSACHUSETTS.

SHUTTLE-CHECK MEANS FOR LOOMS.

Application filed October 31, 1922. Serial No. 598,236.

To all whom it may concern Be it known that I, HE BERT I. EMMoNs, a citizen of the United States, residing at the city of Lawrence, county of Essex, State of Massachusetts, have invented new and useful Improvements in Shuttle-Check Means for Looms, of which the following is a specification.

This invention relates to improvement in shuttle check means for looms, more especially upon the subject-matter of Letters Patent granted to Francis A. Mills, May 15, 1906, Number 820,663.

The leading characteristic of the imprincipally in the employment of a cushioning binder for the shuttle, whereby the requisite shuttle-check action may be, and is obtained for the shuttle. The solution for this problem is found in providing means adapted to so function as to effectively counteract the rebounding action of the shuttle and lessen the impact which would otherwise result from the throw of the shuttle and its contact with the binder. These objections and deficiencies are in evidence, or prevalent, in this type of devices universally, as has been borne out by practical demonstration. As indicated, my invention consists in the provision of a cushioning binder, as for in stance, such a binder formed of sponge or highly porous rubber which, it is found, while possessing the requisite resistance as a binder or buffer, also possesses the pliability needed to serve as a cushion whereby to function in the twofold capacity pointed out, and which also will not become inurated or hardened by wear, as by the frictional orprecipitate contact of the shuttle therewith, as when the binder is of hard rubber, as heretofore has been experienced in this art. It is further observed that by the use of the hard rubber binders or buffers, such is not the requisite pliability or yielding character to meet the qualifications demanded, which, however, have been fulfilled by the use of my invention. Also, it is observed that the hard rubber binder, by reason of the absence of the softness or cushioning effect or action of my buffer or binder, is not adapted to provide the shuttle with the requisite shuttle-check as it acts or functions as a plain hard leather surfaced binder as the shuttle contacts therewith. With the use of the hinder or buffer and the front of the ironclosed and shuttle-box or case covered with the sponge-rubber, the shuttles will be checked and the loom may be run without checkstraps, which is a great saving to a mill equipment, as these check-straps are quite expensive and wear out often. By the use of the soft or spongerubber the shuttles are subjected to lessened frictional contact, also the latter are held intheir boxes be sides, saving a great deal of 100m trouble, and the looms may be run faster, while the life of the loom parts may be greatly lengthened. j

The invention consists, therefore, of certain instrumentalities and features of construction, including their arrangement substantially as hereinafter more fully dispointed out by the claim.

The following description, read in connection with the accompanying drawings, will enable any one skilled in shuttle check and locking mechanism for looms to understand my invention and to practice it in the form in which I prefer to employ it; but it will be understood that my invention is not limited to the precise form and details of construction herein illustrated and described, as various modifications and changes may be made without departing from the scope or spirit of my invention and claim.

Referring to the drawing,

Figure 1 shows in top view the leftshuttle-box of the lay, having the binder located at the back thereof andthe shuttle in position, having just come in contact with the cushioning binder.

Fig. 2 shows a like view, the shuttle hav ing fully entered the shuttle-box and in contact with the picker and the pickerstick to actuate an impact-strap to force the binder against the shuttle to check and lock it. 1

Fig. 3 shows a side view ofthe same Fig. 4 is a longitudinal section of the binder, taken on the line 44: of Fig. 5, showing my novel cushioning shuttlebinder.

Fig. 5 is a cross-section theline 55 of Fig. 4:.

Fig. 6 shows the front'side of the left end of the box and means for adjusting the impact-strap to cause the shuttle to be stopped and locked at the-predetermined position in the shuttle-box.

Fig. 7 shows the protection-finger arof the same on ranged to operate the binder between the latter and the impact-strap.

Fig. 8 shows the same in top View." Among other features which may be considered as 1ncidentalto-the present disclosure of my invention, I arrange the i'm:

'tle-binder against the pact-strap so as to yieldably force a shuts le 13 ases this operation, I provide novel arrangement and connection of the impact-strap with the shuttle-binderto cause the "latter to be yieldingly pressed upon"the; shuttle the impact of the shuttle 'upon V the o now a s spe mb er, as

fron jwhat is "styled as hard rubber, as

p ker- 7 The lay 1, the shuttle-box 2 therein; the shuttle 3, and. picking mechanism therefor,

m y of the usual form and construction.

As above indicated, the leading or main feature of my present disclosure or invenidn i s s sfi t e emp y e t of a bin r, biiffer, or cushion of a'softand light char acter; preferably and essentially what "is differentiated means for checking and locking theshut-tle of" a predetermined position within the shuttle-box, the detailed'description of which operation-follows. V i a impact-strap L is arranged at the back of the binder and has one end 5 connected to the lay or shuttle-bo t; passing across a movable part 6 of a binder 7 around the picker sticl'r 9 and fastened to adjustable means which is connected'to the box or lay,

s15 that the impact of the shuttle upon the to the impact-strap, the means for adjusting 7 d f h b de it. to. provide for the stretch of the strap and wear of the picker by the impact of the shuttlefso as to stop the shuttle at a predetermined position in seen in 1, 2, and

6, and consists of a revoluble stud or "post 1A, secured by a clamp-nut. to" a bracket 15, which is bolted Q the-l y and ta s d p the t ap fastened and wound around it, so that by loosening said nut on the stud or post the latter maybe turnedto' wind up or let out the strap for its adjustment. I also provide means for latcrall adjusting the fulcrumed is iderifi llatuii fi s an e e i nd by'io'oseni'ng a nut 17, the ec Looking at Fig.1, a will be seen the shuttle-box, are

and' tdr' thi purpos centric, the binder may bemove d farther in or out from the opposite side of the shuttle-box. This adjustment of the shuttlebinder at its fulcrumed end is to give more or lesslift-ing action to theprotectionmechanism and pressure upon the shuttle.

that the s huttle has struck the swell of the binder witha cushion effect, this giving easy entrance to .the box. The shuttle having entered fully in the box, as seen in Fig. 2, it

wil (be noticed that the binder has been compressed by'the impact of the shuttle upo nthe" picker, and thereby cause a pulling action of the impact-strap which has forced said binder against the shuttle with a locking function upon the shuttle to lock it at the desired position in the shuttle-box.

i The protection device'is ofthe usual form,

having-I the protectionrfinger 18, its shaft IQfand spring "for forcing the finger againstthe binder; and looking at Figs. 1 2, and 3, it will beseen that'the protect-ionfinsie s upon the impact shuttle-locking strap, said strap or band being shown located between theprojection-finger andthe movable end of the binder, so that when "the shuttle stril the binder, forcing its free end out, v H se said strap to befric tionally drawn ricer]spring-pressure between said binder and the protection-finger, thereby in checking theshuttle while traveling in the lbox'. "Theprotectiodfinger; however, maV impact strap and the binder, as seen in Figs.- 7 and 8 ,Which, W ll c useseid Strap to force the protection-finger against the shuttle binder' a nd said binder-against the shuttle tolocltit. i Loloking at Fig, 4 it will be understood that the 'inipactfacing of: the binder will haveinits contact with the shuttle, a yieldind, function due to the elasticity of the rubber the combined effect; of bothv these yielding; elements being to cause'the'b-inder to conform to the shape of the shuttle while traveling and at the limit of its travel inthe shuttle-box r In a loom, including its shuttle, the com-t bination thferewith'of a cushioning binder be located betweenthe shuttle-locking V '7 n nsege e tvith d Pres t:

aiding V comprising essentially a relatively soft and pliable material consisting of sponge-rub her, a lay, a shuttle box, picking mechanism,

an impact strap connected at one end of said shuttle-box or lay, passingover a movable l'assaemls ms EMMONS- 

